I recently returned from the NorCal rally with about thirty twelve 'Streamers, including a couple of moho's this time. Many of the trailers added a switch so they could turn on their clearance lights at night, looked pretty cool, so I want to set this up on my rig.

Has any one here done that yet, and have any simple suggestion about where to hook up & put a switch? If not, I'll get out my meters & start poking around.

If it is a trailer. You can just use a jumper wire and connect the charge line pin and the tail/marker light pin together on the umbilical cord. Of course the UCord must be disconnected from the TV.
I do it quite frequently.
I would recommend only doing it while on shore power because it will put quite a drain on the house battery.

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Do they come on when you switch the light-switch to just the running/park lights? (Just short of turning on the headlights.)

It's different for a trailer, but, unless I am mistaken, you should be able to just turn them on at the dash of a motorhome.

Of course, that would turn on your tail lights too.

Thanks to an overabundance of caution, turning on the parking lights without the ignition turned on brings forth an annoying beeping to "rmind" me that my lights are on. That would be a problem if we are inside and "home:" very annoying. OTOH, I have been accused a few time of "having the lights on but nobody's home" so that may be a solution.

Not only a problem with the beep but some of the lights are only designed for intermitant duty or using the moving air to cool. Melted light fixtures wouldn't be a plus. I have found a couple of lens of the lights in the storage bays melted due to being left on by PO and a deformed taillight housing.

Not only a problem with the beep but some of the lights are only designed for intermitant duty or using the moving air to cool. Melted light fixtures wouldn't be a plus. I have found a couple of lens of the lights in the storage bays melted due to being left on by PO and a deformed taillight housing.

Thanks, Dave: I'll do a test during the day & monitor the lens temperature with my infrared thermometer. If the temperature rise in the day is okay then it will probably be okay for few hours in the evening.